Frequency of a pressure vs time chart

1. May 9, 2010

emc2566

1. What is the frequency and wavelength of the sound wave that produced the graph?

2. How would you find the wavelength of the graph?

3. I used speed = wavelength x frequency, changed it into frequency = speed / wavelength, used 343 m/s as the speed. I'm just stuck on how to get the wavelength. The units used in the graph are pascals and seconds.

2. May 9, 2010

Redbelly98

Staff Emeritus
Welcome to PF.

Does the graph resemble a sine or cosine function? Try finding the period, from that you can calculate the frequency.

3. May 9, 2010

emc2566

It's a wavelength graph. No sine or cosine functions, no triangles.